317152517 has 4 divisors (see below), whose sum is σ = 345984576. Its totient is φ = 288320460.

The previous prime is 317152501. The next prime is 317152529. The reversal of 317152517 is 715251713.

It is a semiprime because it is the product of two primes, and also a Blum integer, because the two primes are equal to 3 mod 4.

It is a cyclic number.

It is not a de Polignac number, because 317152517 - 2⁴ = 317152501 is a prime.

It is a Duffinian number.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (317152217) by changing a digit.

It is a polite number, since it can be written in 3 ways as a sum of consecutive naturals, for example, 14416013 + ... + 14416034.

It is an arithmetic number, because the mean of its divisors is an integer number (86496144).

Almost surely, 2^317152517 is an apocalyptic number.

It is an amenable number.

317152517 is a deficient number, since it is larger than the sum of its proper divisors (28832059).

317152517 is a wasteful number, since it uses less digits than its factorization.

317152517 is an odious number, because the sum of its binary digits is odd.

The sum of its prime factors is 28832058.

The product of its digits is 7350, while the sum is 32.

The square root of 317152517 is about 17808.7764037847. The cubic root of 317152517 is about 681.9555279550.

The spelling of 317152517 in words is "three hundred seventeen million, one hundred fifty-two thousand, five hundred seventeen".